Stanley BOSTITCH® STCR50191/2-1M 1, 000-qty. 1/4" Leg .050" X .019" Heavy duty 7/16" Power crown Staple (5 pack)Stanley- manufactures top-quality, innovative fastening tools and fasteners for industrial, construction and home improvement applications. Products include pneumatic staplers and mailers, compressors, manually operated staplers and tackers, coil-fed screw systems, rivet tools, glue guns, a broad assortment of collated nails, screws, staples and specialty fasteners in a variety of materials and finishes, plus office products and carton-closing staplers - many of them industry firsts. Stanley BOSTITCH® STCR50191/2-1M 1, 000-qty. 1/4" Leg .050" X .019" Heavy duty 7/16" Power crown Staple (5 pack) features:; 1, 000 per card; STCR50191/4-1m: 1/4"; STCR50193/8-1m: 3/8"; STCR50191/2-1M: 1/2"; STCR50199/16-1m: 9/Stanley BOSTITCH® STCR50191/2-1M 1, 000-qty. 1/4" Leg .050" X .019" Heavy duty 7/16" Power crown Staple (5 pack) Specifications:; fastener crown length: 7/16"; fits BOSTITCH® tools: PC1000, PC2000, PC4000, pc4000-oc1, PC5000, H30-8, p6c-8, uso56-1; leg length: 1/2"; quantity per item pack: 1, 000; staple wire gauge: .050" X .019"